Table 9: The basic data after extension.

item

1 22.5, 23.75, 26.25, 32.5 5.04, 5.32, 5.88, 7.28 25.2, 26.6, 29.4, 36.4
2 12.6, 13.3, 14.7, 18.2 18.9, 19.95, 22.05, 27.3 31.5, 33.25, 36.75, 45.5
3 18, 19, 21, 26 37.8, 39.9, 44.1, 54.6 36, 38, 42, 52
4 27, 28.5, 31.5, 39 13.5, 14.25, 15.75, 19.5 27, 28.5, 31.5, 39